Originally Posted by
EESDL
There are numerous ‘on-demand’ flights that are, in the plain light of day, ‘scheduled’. Interpretation also varies in different CAAs and there is no way your passenger is going to appreciate the differences - which is the main crutch here.
Regulators tend to allow follow ICAO definitions and in local regulations would provide a clear definition of what scheduled means.
Here is an example.
"according to a published timetable or with such a degree of regularity and frequency that they constitute a recognisable systematic series"